A Phase 2a A Study of TAC-201

A Phase 2a A Study of TAC-201 An Cedar pollen Antigen-challenged Study in an Environmental Exposure Chamber

Status

Unknown

Phases

Phase 2

Study type

Interventional

Source

JPRN

Registry ID

JPRN-jRCT2080220794

Enrollment

Registered

2009-07-30

Start date

2009-07-30

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Cedar pollinosis

Interventions

investigational material(s) Generic name etc : TAC-201 INN of investigational material : Therapeutic category code : 449 Other antiallergic agents Dosage and Administration for Investigational materi

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Distinct symptoms of Japanese cedar pollinosis during the cedar pollen allergy season in 2009, with the severity of moderate or higher

Exclusion criteria

Exclusion criteria: Previous participation in the study of TAC-201

Design outcomes

Primary

Measure	Time frame
Efficacy and safety	—

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026